13665890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 14618014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 991, 1379, 1970, 1982, 2758, 4955, 6895, 6937, 9910, 13790, 13874, 34685, 69370, 195227, 390454, 976135, 1366589, 1952270, 2733178, 6832945, 13665890]

約数ペア:

[(1, 13665890), (2, 6832945), (5, 2733178), (7, 1952270), (10, 1366589), (14, 976135), (35, 390454), (70, 195227), (197, 69370), (394, 34685), (985, 13874), (991, 13790), (1379, 9910), (1970, 6937), (1982, 6895), (2758, 4955)]